(4)This Regulation should not create a general obligation for financial institutions or investors to invest only in securities for which a prospectus has been published in accordance with Directive 2003/71/EC of the European Parliament and of the Council of 4 November 2003 on the prospectus to be published when securities are offered to the public or admitted to trading 9 and Commission Regulation (EC) No 809/2004/EC of 29 April 2004 implementing Directive 2003/71/EC as regards information contained in prospectuses as well as the format, incorporation by reference and publication of such prospectuses and dissemination of advertisements 10 and which are rated under this Regulation. In addition, this Regulation should not require the issuers or offerors or persons asking for admission to trading on a regulated market to obtain credit ratings for securities which are subject to the requirement to publish a prospectus under Directive 2003/71/EC and Regulation (EC) No 809/2004.